<!DOCTYPE html>
<html>
	<head> 
		<meta charset="utf-8">
		<title>计算器</title>
			<script type="text/javascript" src="calculator.js"></script>
	</head>
	<body>
		<style>
			@import url("calculator.css");
		</style>
		<div class="calulator">
			<input class="output" value="" id="output" disabled="disabled" />
		</div>
		<div class="numbers">
			<input type="button" value="7">
			<input type="button" value="8">
			<input type="button" value="9">
			<input type="button" value="4">
			<input type="button" value="5">
			<input type="button" value="6">
			<input type="button" value="1">
			<input type="button" value="2">
			<input type="button" value="3">
			<input type="button" value="0">
			<input type="button" value="AC">
			<input type="button" value="=">
		</div>
		<div class="operators">
			<input type="button" value="*" />
			<input type="button" value="-" />
			<input type="button" value="+" />
			<input type="button" value="/" />
		</div>
	</body>
</html>




